Please solve it.
https://skydrive.live.com/redir?resid=632EC8CB72303E4E!484&authkey=!AJHVGZHE3JUO3kc
Partial derivative
2013-04-27 7:26 am
回答 (1)
2013-04-27 4:38 pm
✔ 最佳答案
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圖片參考：http://imgcld.yimg.com/8/n/HA05107138/o/20130427083817.jpg
收錄日期: 2021-04-23 23:25:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130426000051KK00327